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The yellow-pine chipmunk (Neotamias amoenus) is a species of order Rodentia in the family Sciuridae.It is found in parts of Canada and the United States. [2]These chipmunks are normally found in brush-covered areas, and in California, they inhabit an elevation range of around 975 to 2,900 meters.
The yellow-cheeked chipmunk is the largest species in the genus Neotamias and grows to a total length of 233 to 297 mm (9.2 to 11.7 in) including a tail of 97 to 130 mm (3.8 to 5.1 in). It is a dark, tawny olive with five dark longitudinal stripes on the body, the central one along the spine being the most prominent, and three on the head ...
The red-tailed chipmunk is a large species with a total length of about 230 mm (9 in) including a bushy tail of 105 mm (4 in). The mass varies from about 54 g (1.9 oz) in the spring to 60 g (2.1 oz) in the fall. Females are marginally larger than males. The head is mottled grayish-brown with dark stripes above, through and below the eye.
Neotamias is a genus of chipmunks within the tribe Marmotini of the squirrel family. It contains 23 species, which mostly occur in western North America. It contains 23 species, which mostly occur in western North America.
Chipmunks are classified as four genera: Tamias, of which the eastern chipmunk (T. striatus) is the only living member; Eutamias, of which the Siberian chipmunk (E. sibiricus) is the only living member; Nototamias, which consists of three extinct species, and Neotamias, which includes the 23 remaining, mostly western North American, species.
The gray-collared chipmunk grows to a total length of about 225 mm (9 in) including a tail of around 98 mm (4 in). The forehead is greyish-brown and the side of the head bears three dark stripes, the central one of which passes through the eye. These are separated by bands of white. The cheeks, neck, shoulders, upper back, and rump are grey.
The Uinta chipmunk is a medium-sized chipmunk, with adults ranging from 20 to 24 cm (7.9 to 9.4 in) in length, including the tail at 7 to 11 cm (2.8 to 4.3 in), and weighing an average of 67 g (2.4 oz). The predominant color of the summer coat varies from yellowish brown-grey to dark brown, often with a reddish tinge.
Gray-footed chipmunks experience sexual dimorphism, and the female is larger than the male. This is commonly seen in many species of chipmunks. [7] Because the gray-footed chipmunk physical characteristics vary in different mountain ranges, their weight is commonly between 65 and 75 g (2.3 to 2.65 oz). [11]